Pipe-coupling



J. L.v BROSCHART.

PIPE COUPLINGA. APPLICATION FILED JULY 25, 1919. RENEWED MAR.V22,192I

Patented Sept. 20, 1921. 1

, UNITED STATES'y rA'rENTpol-Flcn JACOB LEWIS BnoscHAnr, or V.'rmiN'roN, MISSOURI.

PIrE-GOUPL'ING. l

Specication of Letters Patent. Patented Sept. 20, 1921.r

Application led July 25, 1919, Serial No. 313,267. Renewed March 22, 1921. Serial No. 454,416.

will enable others skilled in the art to which itappertains to make and use the same.

The invention relates to pipe couplingsv and particularly to a coupling adapted yfor emergency use in connection with train or steam lines of passenger or freight trains, it beingV the principal object to provide a l coupling which may be easilyl and uickly Vapplied to the adjacent ends of a roken train line, thereby allowing the use of the n train line may be made.;

brakes or steam line until the train reaches a point whereY a permanent repairing of the A further object is to provide ank emergency coupling which will be compact in form and 'may be carried on every train, also to provide the ends of the coupling with means for expanding gaskets into airtight engagement with the interior of the adjacent ends of a broken train line, said gaskets also being additionally kforced outwardly by thek pressure of the air within the train line when the coupling is in place.

With the above and other objects in view the invention resides in the combination and arrangement of parts as hereinafter set forth shown in the drawings, described and claimed, it being understood that changes in the precise embodiment of the invention may be made within the scope of what is claimed without departing from-the `spirit of thel invention.

In the drawings n l Figure 1 is a sectional view through the adjacent ends of a broken, train line, showing the coup-ling applied thereto and in elevation. f

Fig. 2 is a view similar to Fig. 1 but showing the coupling in section.

'Fig 3 is a sectional view taken on line,

of the operator of the train. To temporarily connectthe ends 2 and 3 the-emergency coul pling 4'iis`l provided, which coupling comprises theltubular member 5 which is eX- ternally threaded as' at 6, and threaded on said tubular member are jamming sleeves 7, which jamming sleeveshave their outer ends 8 engaging rings '9, which rings are adapted to .jam againstthe sides of gaskets 10. vThe outer edges of the gaskets 10 engage as at 11V sleeves 12, which sleeves form means for bucklingV the gaskets 10 so that their outer faces will be forced outwardlyy into engagement with the interior walls of the ends 2 and 3 of thepipe line. Edges 13 of the sleeves 12 engage the edges of gaskets 14 and are adapted to force said gasket 14 against the rings 15 vwhich are threaded on the endsv of the tubular member 5, said rings'jl being prevented from rotation'on'the tubular 'memberf by means of keys 16.

It will belseen that when` the jamming sleeves 17 are threaded towardl the ends of the tubular member 5 that the ends 8 of the jamming sleeves will freely rotate and force outwardly against the engaging rings 9 which action will cause the gaskets 10 to beiforced against the edgesLof the sleeves 12, the other edges of the sleeves 12 will be forced against the inner edges of the gaskets 14, which gaskets are prevented from end movement by means of the rings 15, thus it willbe seen that gaskets 10 and 14, at each end of the coupling .member will be compressed and forced outwardly into engagement with the walls of the ends 2 and 3 of the pipe line 1, thereby securely joining said ends and at the same time preventing leakage. l To additionall assure the proper engagement of the gas ets 14 the ends of the tubular member 5 are provided with apertures 17, said apertures 17 being in registration with theinner face of the gaskets'14, and through apertures 17 the pressure within the pipe line comes in direct contact with the gaskets in such a way as vto force them outwardly into engagement with the inner walls of the ends 2 and 3. It will be seen that if the gaskets 14 have not been compressed and expanded enough that the air pressure will furnish the necesf sary additional expansure. Also that if the joint is a poor one the pressure will extend around the threads which are in registration with the inner wall of the gaskets 14.

From the above it Will be seen that a coupling will be provided which Yis positive in its action, easllylapplied and one Whereln the delay to a trainis reducedto a minimum, Which is a considerable tem 'offex-A pense and danger.-

The invention having been set `forthtwhat is claimed as new and useful is 1.-,l'n an emergency coupling, the combination with the adjacent ends of a broken pipe.' of a'tubular pipe section exteriorly threaded and telescoping the 'adjacent ends in spaced relation to theirinteriors, a holding member on each end ofthe pipesect-ion,

gaskets on the ends of the tubular pipe sec!-l threaded and telescoping the adjacent endsV in spaced relation to their interiors, a holding collar threaded on eachfen'd of the pipe sections, gaskets on eachend of the tubular lsection, one of said gaskets being adjacent the cooperative holding collar, a metallic of the same for, compressing thel gaskets be-Y ring disposed between the gaskets at each erd of thejtubular pipe section, jamming sleeves threaded onV thetubular pipe section and adaptedto be threaded'tovvard the ends tween ythe metallic sleeves, the holding collars and said jamming sleeves, and apertures .in the ends ofthe tubular pipe section and in registration with the gaskets, whereby the pressure Within the pipe line may be utilized for additionally expanding tlie'gasketsinto engagement with the interior WallsV ofjtheV adjacent ends of the broken pipeline.l

3. Inv anV emergency" coupling,"t`he"co'mb1 Vnation with the adjacent ends of a broken pipe,of `a tubular pipe `section eXteriorly threaded and telescoping the adjacent ends in spaced relation'to theirgnt'eriors, ahold kv I ing collar threadedon'each end of the'pipe.

section, gaskets o n each endrof.z thetubular section, one -of said gaskets being adjacent tli `e" coperative holding collar, Ymetallic rings 'disposed' betvveen, 4the gaskets, metallic rings engaging the iniler edges of the 'inner gaskets, jamming sleeves t engaging fthe last named metallic., rings anldnadapted-'to force;` said metallic` 'rings at each end outwardly for expanding ythe #gaskets 'cir-v cumferentially betv'veenfthe metallic rings Vdisposedv between'said gaskets Aand the collars the ends of the pipe section, and aperturesin the Wall ofthe kpipe section-in lregistration with the outer gaskets whereby pres-'- surev vvithi-n 'the' pipeA Willbe allowed to eX-A pand the .gaskets outwardly for additionally insuring anair tight joint. i y

In'testimony whereof Ijha've signed my name to this specification in the presence of tivo'subscribingWitnesses..V yJACOB ISV BROSCHART,

yYVitnessesf"t'v Y v BEssni BRUMMITT, Y 

